433M One-button SOS Remote Control Doorbell Transmitter

One-button 433Mhz Remote Control with SOS Function

This SOS remote control can be used as a wireless doorbell transmitter, which is widely used in access control, security alarm devices, home automation, motor switching control, lighting control, etc. Special function can be developed according to your requirements!

Indicator: green light as default Button: 1 keys

Supporting RF Module: receiving module

Brief Introduction

Model: SOS02

Frequency: 433M/315M (other frequencies can be customized)

Communication protocol: MCU learning code

Working current: 8.5mA

Standby current: 10nA ~1uA

Power supply: DC3V, CR2025 button battery

Transmit power: 13dBm

Transmission distance: about 300m (open ground, receiving sensitivity is -110dBm)

Size: D52 * H10mm

Weight: 20g

Download Center

SOS02 Specification V1.0 

Typical application

Wireless Remote Control System; Wireless Alarm & Security Control System; Intelligent Control System, Smart Home, Home Automation, Home Appliance Control, Building and Residential (smart home) Control, Remote control that supports radio frequency (RF) technology

Product Tags

Remote control, Remoter, Remote controller; RF module, 433M RF modules, 315M RF Transmitter module, RF Receiver, RF Transmit module, RF Receive module, Wireless transceiver module for remote control use